2mm PtP Neck Joint Super Ring for Silver Alto Saxophone Platinum plating for neck rings now available. A sound that captures all of your breath, without any loss. This effect is demonstrated evenly from high to low notes. "Nagasawa Seisakusho" original wind instrument boost item. Compatible Models Yamaha Various Yanagisawa (from T series to current WO) Selmer (mark6 to Jubilee, models up to Series 3) Cannonball (Due to significant individual differences, please measure the joint accurately before ordering) Not compatible with Buffet Crampon We can manufacture upon request. * A 2mm "950 Silver Ring, Platinum Plated Finish" is installed on the neck joint of an alto saxophone. ☆ Typical characteristics of each surface finish ☆ Pure Silver: Characterized by the soft tone of silver. GP: Characterized by a rich sound with good articulation. PGP: Characterized by a warm sound. PtP: Clear articulation and resonance. A finish that combines all the qualities of pure silver, GP, and PGP. Main benefits of installing a joint ring Easier to produce altissimo notes. Altissimo notes become fuller. Altissimo notes sound better. In addition, many users have reported improvements in overall resonance and tone stability. Made using the same silver soldering and polishing process as rings. ☆ The item for sale is one ring. Material: 950 Silver, Platinum Plated Finish Ring inner diameter is 24.6mm, with some variation. Ring outer diameter is 26.5mm, with some variation. Made to be slightly loose. Please give it a try. At Nagasawa Seisakusho, The maker himself has experience winning international competitions, and based on that experience, he has repeatedly tested and prototyped, and is designing and manufacturing all-silver wind instrument boost items in his workshop in Hatoyama-machi, Hiki-gun, Saitama Prefecture.